NDFS Ch4
What is lumen?
A hollow space through which food and fluid pass.
The two major components of the digestive system are the_____
Accessory organs, GI tract
The extent to which the digestive tract absorbs a nutrient and how well the body uses it is termed____
Bioavailability
swollen veins in the anal canal are called?
Hemorrhoids
What are causes of diarrhea
More water than normal is secreted into the GI tract The GI tract absorbs less water than normal
Deep, dull upper abdominal pain and a feeling of fullness that occurs about 2 hours after eating are symptoms of a ______ _______
Peptic ulcer
What is the function of the liver?
Produce and secrete bile
What is the function of salivary glands?
Produce and secrete salivary amylase
What is the function of the pancreas?
Produce and secrete the majority of digestive enzymes
What is the function of the gallbladder?
Release bile into duodenum
In casas of______, the inflammatory process causes ulcers to form in the mucosa of the colon and rectum.
Ulcerative colitis
The______ uses cholesterol to make bile.
liver
The movement of a nutrient from the higher concentration (i.e. lumen) to where it is less concentrated (i.e. absorptive cells) is called____
simple diffusion
The mucosa of the small intestine is highly folded and covered by tiny, fingerlike projections are called_____
villi